Home / 1,338,833.28-1,845,466.56-1,312,291.20

Finding the Fourth Proportional to 1,338,833.28, 1,845,466.56 and 1,312,291.20

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Solution

The fourth proportional to 1,338,833.28, 1,845,466.56 and 1,312,291.20 is: 1,808,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,833.28 : 1,845,466.56 = 1,312,291.20 : x
  2. Step 2: Convert to fraction form
    1,338,833.28/1,845,466.56 = 1,312,291.20/x
  3. Step 3: Cross multiply
    1,338,833.28x = 1,845,466.56 × 1,312,291.20
  4. Step 4: Simplify right side
    1,338,833.28x = 2,421,789,526,582.27
  5. Step 5: Solve for x
    x = 2,421,789,526,582.27/1,338,833.28
  6. Step 6: Final answer
    x = 1,808,880.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.